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Hemoptysis is a frequently encountered symptom in many clinical settings, and etiologic diagnosis can sometimes prove challenging. Bronchoscopy may not promptly reveal the source or the cause of bleeding and few reports have focused so far on the abnormalities of bronchial mucosa vasculature that may unveil the underlying pathophysiology. In this special feature article, we present a series of cases presenting with hemoptysis after angiographic interventions in the thoracic vessels. Localized hyperemia and vascular dilatations in the bronchial mucosa observed during bronchoscopy as unique findings became clues enabling the correct diagnosis and management. We suggest the relevant pathophysiological mechanisms and discuss the available published experience on similar clinical entities.
This article was published in the following journal.
Name: Respiration; international review of thoracic diseases
Massive hemoptysis is one of emergency and critical diseases of the respiratory system. The definition of massive hemoptysis has always been different in the literature, which often depends on the qua...
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Expectoration or spitting of blood originating from any part of the RESPIRATORY TRACT, usually from hemorrhage in the lung parenchyma (PULMONARY ALVEOLI) and the BRONCHIAL ARTERIES.
Thermal destruction of the excess bronchial SMOOTH MUSCLE tissue with heat delivered through a catheter assembly attached to a BRONCHOSCOPE. It is often used to control BRONCHIAL HYPERREACTIVITY in severe ASTHMA for better AIRWAY MANAGEMENT.
The presence of an increased amount of blood in a body part or an organ leading to congestion or engorgement of blood vessels. Hyperemia can be due to increase of blood flow into the area (active or arterial), or due to obstruction of outflow of blood from the area (passive or venous).
Clinical presentations that may be followed by evaluative studies that eventually lead to a diagnosis.
Left bronchial arteries arise from the thoracic aorta, the right from the first aortic intercostal or the upper left bronchial artery; they supply the bronchi and the lower trachea.
Blood is a specialized bodily fluid that delivers necessary substances to the body's cells (in animals) – such as nutrients and oxygen – and transports waste products away from those same cells. In vertebrates, it is composed of blo...